Home / 10,382.64-14,328.07-5,666.93

Finding the Fourth Proportional to 10,382.64, 14,328.07 and 5,666.93

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Solution

The fourth proportional to 10,382.64, 14,328.07 and 5,666.93 is: 7,820.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.64 : 14,328.07 = 5,666.93 : x
  2. Step 2: Convert to fraction form
    10,382.64/14,328.07 = 5,666.93/x
  3. Step 3: Cross multiply
    10,382.64x = 14,328.07 × 5,666.93
  4. Step 4: Simplify right side
    10,382.64x = 81,196,098.08
  5. Step 5: Solve for x
    x = 81,196,098.08/10,382.64
  6. Step 6: Final answer
    x = 7,820.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.